gnome-terminal -- bash -c \
"echo Hello, World!; 
#  source /home/robot/Desktop/theyn/catkin_ws/devel/setup.bash;
#  roslaunch my_python_pkg multi_node.launch;
source /home/robot/Desktop/theyn/ros2_foxy_ws/install/setup.bash;
ros2 launch package_python all_in_one.launch.py;
 exec bash"   